//main. cpp
#include"UserLogin.h"
#include"AdministorUI.h"
#include"LibrarianUI.h"
#include"StudentUI.h"
#include"TeacherUI.h"
#include<iostream>
using namespace std;
#include<string>
int main()
{ UserLogin userlogin;
while(true)
( userlogin.handlUserLogin();
string userType=userlogin.getUserType();
string num=userlogin.getUserNum();
if(userType=="student")StudentUI stuUI(num);
if(userType=="teacher")TeacherUI teaUI(num);
if(userType=="librarian")LibrarianUI libUI (num);
if(userType=="administor")AdministorUI adminUI;
}
return 0;
}

